Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

PHOENIX — Ultraviolet light is a type of electromagnetic radiation. It's responsible for the glow in a black light poster, or the bronze on your skin from a summer tan. Overexposure to UV radiation ...

The UV index measures the intensity of skin-damaging ultraviolet radiation at the Earth's surface. The UV index ranges from 0 to 11-plus, with higher values indicating greater risk of sunburn and skin ...

The Boston piano bar where Edward Nardell sings cabaret songs would typically be an ideal setting for airborne diseases to spread. But Nardell and his audience are protected from the COVID-19 pandemic ...

We’re rapidly gaining daylength in Colorado... and we’ll get plenty of it with high pressure in place this week. With that gain, we’re also seeing jumps in our peak UV index, which is now peaking ...